Patents Assigned to Carus Chemical Company, Inc.
  • Method of removing potassium hydroxide from crystallized potassium ferrate (VI)
    Patent number: 4304760
    Abstract: Potassium ferrate (VI), K.sub.2 FeO.sub.4, which has been crystallized from a concentrated aqueous solution of KOH is washed with an aqueous solution of a potassium salt of an inorganic acid to remove the residual KOH. The wash solution is at an alkaline pH and contains a high concentration of the potassium salt.
    Type: Grant
    Filed: October 6, 1980
    Date of Patent: December 8, 1981
    Assignee: Carus Chemical Company, Inc.
    Inventors: Peter G. Mein, Arno H. Reidies